Weekly announcement on TERA forums has been published by senior producer Denommenator (cool name, right?). Some issues were addressed, and some news appeared. here's the short version of the posted message:
TERA Changing Publishers in Korea
NHN, the publisher of TERA in the Korean market, will cease it's service of the game once its current license agreement ends (no need to worry, this announcement has no impact on TERA as published by En Masse Entertainment).
TERA No Longer Officially Supports Windows XP
Sorry, Windows XP users!
Client Lag/Stutter as caused by Windows Defender Issue/Microsoft Security Essentials
As of now, devs consider this issue resolved.
Framerate Issues in High-Level Dungeons/Boss Fights
Still unresolved, but some clues may help devs to gain some traction on this issue. Here's hoping!
Extension of Rootstock, Pond Faire, and Bamarama
As announced by Harmonia here, these events will be extended by one week until maintenance on October 6.
Game Improvements - Gold Drops and Max Level Dungeon Loot
Open world gold drops will be reverted to their pre-"Go Berserk" status in our next major build release targeting mid-October.
Loot Removal from Lower Level Instances When Playing with Higher-Level Player
That's it. More detailed information is available on game's forums.